Sash-supporter



PATENTED AUG. 15, 1865. i

, A. M. SAWYER.

SASH SUPPORTER;

UNITED STATES PATE T OFFICE.

ADDISON'M. SAWYER, or ArnonMAssAo UsErrs;

SASH-S'L'PPQRTER.

'- Specification forming part of Letters Patent No. 19,442,- dated"i tugust l5, 1865.

b To allwhomf'it ma'y concern:

Be it knownthat I, Annrso v M. SAW'YER,

' of Athohfin-the'connty of Worcester and State oi'Massachusetts,have invented a new and Improved Stop for Supporting Window Sashes,

' Blinds, &c., of which thefollowing is. a full,

clear, and exact description, reference being had to the accompanying drawings,.n1aking part ofthis'specifieation, in which- Figure 1 is a central vertical section througha portion ofa window frameand its sashwith myimproved stop applied thereto. Fig. 2 is v a-transverse section through the same on the line a; w of' Fig. 1. Fig. 3 is a view ofi niy improved stop. Figs. 4 and Sam detail views ofthe same.

Theobject of my invention is to produce asimple and reliable means of supporting win- I dowsashesandblinds at any desired point;. I an'dmy iIIVGIltlOllCOHSlStS in a stop composed of an elasticroll secured to an unyielding cen- .tral' block of an irregular form, so that the roll may yield moreat one point than at another,

one or moreof these stops being attached to each side of the sash or window-frame, or both,

whereby the sash is retained at any desired point on removing the handtherefrom To enableiothers skilled in the art to understand and use my invention, I will proceed to describe the manner in whiehil have carried it out.

In the said drawings, A represents a metal plate formed with lugs or projections a on a pin or spindle, 11, passing through which revolves an elastic roll,.B, a portion of which projects through a slot, 0, in theplate A. (See Fig. 3.) The roll B is snugly fitted on ablo'ck or center,"0,- of metal or other unyielding material, whose form in cross-section is that of a polygon having its alternate sides of unequal length, as seen-in Figs. 1 and 5.

D is the window-frame, in which slides the sashE, providedwith a mortise, for the recepti'on of the. st0p,; thie plate A'beingsecured in plaee by scrervs eg One or more of these stops may he attache oeacli side of the sash prefer, however, to y o indow-fr me;

. hen the sash is sash raised to the desired"heightifit is retained in and consequently maybe compressed more at this point, the greaterradins of blockC at ii producing greater resistance on the portionh h of the rolloppositet'o the shorter sides '5 i, which is more than sufficient to counteract thetendency of the sash to descend 'byitsown weight and revolve the roll B, this resistance being, howexer, readily overcome and the roll caused to revolve when pressure is appliedto raise or lower 'ihe sash.

The metal block 0 may be of antirregular fornrother than. thathere showln, such as that of an ellipse in crosssection.

A windowstop constructed as above described is simple, cheap, and durable, and may be easily applied. t

. What I claim as my invention, and desire to secure by'Letters Patent, is-- Awindow-sash stop or supporter consisting. of an elastic roll containing an unyielding block or center of an irregular form in crosssection, substantially asdescribed, the said roll revolving in suitable bearings, as set forth.

.ADDISON M. SAWYER.

Witnesses CALVIN KELroN, VALETTE W, LEAGH. 

